反演分析

采用BP神经网络对公路隧道新奥法施工过程中围岩力学参数的反演分析进行了研究，通过隧道有限元方法得到了网络训练样本。

The back analysis is made by means of the BP neural network algorithm on the mechanics parameters of surrounding rock masses in a highway tunnel construction project by NATM .

Duncan-Chang非线性地基模型的反演分析

Back analysis of Duncan-Chang nonlinear foundation model

联合GPS与重力资料反演分析川滇地区现今地壳形变

Contemporary Crustal Deformation in Sichuan-Yunnan Region from GPS and Gravity Data

基于GPS观测数据的汶川地震断层形变反演分析

Wenchuan Earthquake Deformation Fault Inversion and Analysis Based on GPS Observations

基于BP神经网络的三维地应力场反演分析

Three-dimensional inversion analysis of ground stress field based on BP neural network

华北地区地壳形变的GPS及地震矩张量反演分析

Analyze Crustal Deformation in North China by Inverting Seismic Moment Tensors and GPS Velocity

基于GPS观测资料的华北地区现今构造应力场反演分析

Inversion analysis of present tectonic stress field in North China region based on GPS data

华北地块内部主要断层运动模型的GPS数据反演分析

GPS data inversion analysis of the movement models of main faults within the North China block

川滇菱形块体主要边界运动模型的GPS数据反演分析

GPS inversion of kinematic model of the main boundaries of the rhombus block in Sichuan and Yunnan

低场脉冲NMR横向弛豫信号的反演分析

Inversion analysis of pulsed NMR transverse - relaxation signals in low field

本文应用ANSYS参数化设计语言（APDL）对重力坝弹性模量进行了反演分析。

The paper anti-analyses the dam 's elastic module based on the ANSYS parameter design language .

基于面向对象的编程思想，本文采用VC++语言编制了以训练样本为数据基础的土石坝位移反演分析程序系统DBAEANN。

The displacement back-analysis system DBA_EANN is developed in Visual C + + .

本文以有限元和BP神经网络为基础，进行基坑开挖内力和变形的正反演分析。

The positive-back analysis of the internal forces and deformation of the deep excavation is studied based on the finite element and BP neural network method .

在土石坝等非线性材料反演分析中，考虑先验信息误差的Bayes随机反分析方法具有较好的适用性。

Bayes random method which considers the prior errors is better in the back analysis of embankment dam 's nonlinear materials .

水泥砼路面基层刚度反演分析的EBP方法

Back-analysis of Stiffness of Base Course in the Cement Concrete Pavement by EBP Method

然而由于反分析过程中涉及的样本具有离散性、随机性与不确定性，在传统的BP反演分析过程中需要控制输入样本的有效性以及利用遗传算法寻优，增加了方法应用的限制条件。

Due to the discreteness , randomness and uncertainty of concerned samples in the process of back analysis , the applicability of traditional BP back analysis is limited by controlling the effectiveness of input samples and using genetic algorithm for optimization .

为此，在灰色预测最终沉降量的基础上，采用有限元方法，通过二步优化反演分析了Duncan-Chang模型中的K、K（ur）参数。

In this paper , based on the gray forecasting final settlement , two parameters K and ~ of the Dun can-Chang model were back analyzed through two-step optimization back analyses using the FEM method .

根据大比尺模型试验实测数据，利用反演分析方法和大型通用有限元MARC软件建立了各种处治方法的大比尺模拟数值仿真模型。

Based on the spot data of the large-scale tests and using inverse analysis and the large common finite element MARC program , we build the large-scale finite element model of all kinds of treatment technique .

探讨了渗透系数优化反演分析的基本原理和方法，研制了稳定且精度较高的变尺度（DFP法）的优化反演程序。

Secondly , the article discusses the fundamental theories and methods to optimize seepage coefficient inverse problem . It develops computer program in seepage inverse problem-optimize arithmetic ( DFP method ) .

接着采用卸荷岩体力学参数的分析方法，利用大型有限元分析程序ADINA对其进行反演分析，得出其宏观力学参数和这些参数的劣化规律。

The mechanical parameters of unloaded rock masses are adopted in the back analysis with the large-scale FEA software , ADINA . The macromechanics parameters and the degradation law of these parameters are obtained .

为此，本文做了两方面的工作：一是根据Asaoka法，采用现场的沉降观测数据，进行了固结系数的反演分析与计算，从而避免了通过室内试验求解固结系数所造成的误差；

In order to determine the practical scheme of fill , the consolidation coefficient is back-calculated with settlement observations in situ by the Asaoka observation methods .

选取NOAA卫星AVHRR通道3（355～393μm）观测资料，分析云顶粒子的物理性质，并用地面雨量和雷达观测资料对卫星反演分析结果进行验证。

Physical properties of cloud particles on the top of cloud were analyzed by NOAA / AVHRR channel 3 ( 3.55 ~ 3.93 μ m ) data . Radar and precipitation data were used to validate the analysis results .

本文的主要研究工作包含以下几个方面。（1）对于微尺度涂层材料的力学性能参数确定问题，提出了一种改进的基于扩展卡尔曼滤波算法（EKF）的反演分析方法。

The main work of this paper was summarized as follows . ( 1 ) To determine the elastic-plastic constitutive parameters of coating meterials in micro-nano scale , an improved inverse analysis procedure based on the extended kalman filter ( EKF ) technique was proposed .

此外，用广义Kelvin模型描述了混凝土坝的流变特性，由此建立了混凝土坝的流变参数反演分析的目标函数，并利用变尺度（DFP）算法进行了优化求解，研制了相应的反演分析程序。

In addition , the generalized Kelvin model is used to describe rheological behavior of concrete dam . On the basis of this , the object function is established to back analyze rheological parameters and is solved by variable metric method , and corresponding analysis program is developed .

坝料开采块度级配在线分析和反演分析

The Dam Materials Excavation Lumpiness Gradation On-line Analysis and Inversion Analysis

裂隙岩体渗透系数张量的反演分析

Back analysis of coefficient tensor of permeability for fractured rock mass

裂隙双重介质地下水运动参数反演分析

Inverse analysis of parameters for groundwater movement in fissured double media

拱坝多参数优化反演分析法及其应用

Optimized back analysis with multi-parameter on arch dam and its application

复合形优化方法在石刻岩体渗流反演分析中的应用

Application of Complex Method for Reverse Analysis on Seepage of Carved Rock-mass

岩石力学反演分析研究及工程应用

Study on rock mechanics inverse analysis and its application engineering